Pith Number

pith:75AXBQYA

pith:2017:75AXBQYATV2C56G77KFATBBCCI

not attested not anchored not stored refs pending

The minimum Q-index of strongly connected bipartite digraphs with complete bipartite subdigraphs

Ligong Wang, Weige Xi

arxiv:1704.06002 v1 · 2017-04-20 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75AXBQYATV2C56G77KFATBBCCI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:46:03.566324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4170c3009d742ef8dffa8a098422123c7de85a25833dc3d587d423c27cbb49

Aliases

arxiv: 1704.06002 · arxiv_version: 1704.06002v1 · doi: 10.48550/arxiv.1704.06002 · pith_short_12: 75AXBQYATV2C · pith_short_16: 75AXBQYATV2C56G7 · pith_short_8: 75AXBQYA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/75AXBQYATV2C56G77KFATBBCCI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ff4170c3009d742ef8dffa8a098422123c7de85a25833dc3d587d423c27cbb49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68ef89c1f7e7facd480af0d5934195ffdfd3bcdf6781e0e8a67d50b1293518c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-20T04:13:51Z",
    "title_canon_sha256": "cbfeb896ebaa16eb3a088849f43e08b5f6a3f21bb0de3cfcee34eaed86360fb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06002",
    "kind": "arxiv",
    "version": 1
  }
}